I NEED SPEED CONTROL A 120 V UTILIZANDO LABNIEW CON POR EL PUERTO USB PID MOTOR

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  I'm trying to circumvent a potentiometer that controls a blower DC motor. The potentiometer (10 kohm) has a wire greeen (+ 10V) a blue wire (ground) and a red wire (AI1 0-10 V voltage). These three sons feed a mounted ABB inverter which converts the 3 phases power somehow (220-240V) to a signal for the DC motor in the blower. I want to make a loop of speed control for the speed of the blower in Labview and I have to work around the knob. If I intend to use a PID that is equivalent to a speed measured at the speed setting, how can I get an output signal to my SCC-AO10 to the speed control? Asked me to use a switch that would allow to use potentiometer or the automatic control loop in Labview. Which wires should I cut the potentiometer and where I need to connect them on the SCC-AO10?

  Someone did this and the PID of a blower motor? Please help me if you can.

  «The promising (10 kohm) (10 kohm) potentiometer potentiometer has a wire greeen (+ 10V) a blue wire (ground) and a red wire (AI1 0-10 V voltage).» a greeen wire (+ 10V) a blue wire (ground) and a red wire (AI1 0-10 V voltage). »

  If you release the + 10V and the ground.

  The reader reacts to the voltage input (0 - 10V)

  Simply connect this red wire to your analog output module and ground (blue) on the floor of your module.

  .

• Understanding on the 9505 FPGA VI speed control

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  If I use the PI speed loop with my speed and a set arbitrary control speed, I see the speed stabilizes (engine power seems uniform), but I can't correlate with the other speed reference that a larger number is faster.  Speed (from the loop of the encoder) seems collating in values from 0 to 2 just on my FPGA VI (I do not understand the units, but I see my position change on my collation of encoder in thousands of pulses per second).  Why are they so different/how I have adapted my encoder speed correctly?

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  Hello

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• dv6z needs fan control

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  Product no.: WG457AV

  Age: years 3ish

  So far measures: computer laptop cooling pad w / cleaned ventilation fan, Arctic Silver thermal paste, CPU undervolted

  Environment: 90F

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• Lenovo B590 fan speed control

  Are there programs for my laptop to control the fan speed?

  Hi Synful,

  Welcome to the Forums

  Try to update the BIOS and check.

  Click here for the update of the BIOS.

  Best regards

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• High speed control loop

  Hi all

  I have two questions, one is material related to the other is a software problem. Because they are related, I'll post just a single thread.

  Material:

  I am trying to solve the following task:
  Generate analog ramp AO (to control an external device, the waveform will not change during the operation), acquire two channels to HAVE it synchronously. Assume that a sample of 800. The signals of the channels HAVE are addressed and as a result, a second release of the AO is generated (which will be probably generated by a second NOR-device).

  The whole process should be as fast as possible, let's say 100 Hz.

  I checked the "SynchAI-AO" example, which seems to be what I need, but I don't know if the USB-621 x is possible to this effect (I think I'm going to need three DMA channels, but I couldn't find any specs on it)

  According to the manual USB-621 x has only one ADC, so I suppose to switch between channels.

  Aremy Yes good following assumptions:

  Max AI sampling rate / AO is 250 kech. / s--> for three channels ~ 80 kech. / s per channel. By generation/acquisition of a signal with a size of 800 samples, I would have a frequency of repetition of about 100 Hz?

  I was wondering the generation/acquisition signal is possible with one OR USB - 621 x device?

  This leeds to my software Issus:

  At the moment I only have a USB-6009 device, which cannot produce output timed material AO, that's why I need another device.

  anyway I played with the acquisition of data to HAVE and came with a strange problem:

  Is the C++ programming language and I use the DAQmxRegisterEveryNSamplesEvent and contineous for playback mode, because I think it's the fastest way to do it.

  bool ni_usb::setClkTiming(double samplerate, int numberOfsamples)
  {
      mSamplerate = samplerate;
      mNumberOfSamples = numberOfsamples;
  DAQmxCfgSampClkTiming(mTaskHandle,"",mSamplerate,DAQmx_Val_Rising,DAQmx_Val_ContSamps, mNumberOfSamples);
  
  DAQmxRegisterEveryNSamplesEvent(mTaskHandle,DAQmx_Val_Acquired_Into_Buffer,mNumberOfSamples,0,&ni_usb::static_callback,(void *)this);
  
      int n = mNumberOfSamples*mNumberOfChannels;
      mData = new float64[n];
      return true;
  }
  

  The strange thing is that everything works well, as long as the number of samples is > = 1000, function ni_usb::static_callback is called and the data is read.
  If the number of samples is<1000 the="" callback="" function="" isn't="" called="" at="">

  Usb_controller.setClkTiming (48000,1000) Yes; work but usb_controller.setClkTiming (48000,999) doesn't work. Anyone has any idea why?

  So I can't simulate a repetition frequency of 100 Hz at the moment with the USB-6009 case as .setClkTiming (48000,480) does not work.

  best regards and thx for all help,

  Julian

  Hi again,

  I found the solution, try the same thing with the example of "ContAcq-IntClk ':

  "

  DAQmx error: requested each interval of N samples event is not supported for the given the mechanism of transfer of data and the buffer size.

  To keep the DMA or USB in bulk as the data transfer mechanism, change the size of the buffer or the interval of event Every N samples so the size of the buffer is an even multiple of the event interval Every N samples. To keep the same each event interval of N samples and the size of the buffer, modify the mechanism for transfer of data interruptions if taken in charge.
  Property: DAQmx_Every N samples Acq interval event buffering

  "

  By choosing the buffer of size 48kS/s was automatically worth 100kS according to NOR-DAQmx help. That's why the number shown above worked!

  It was my mistake that I didn't implement a management of exceptions appropriate to my program so far.

  Best regards

  Julian

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• I need esta control animation

  Hola como estan...

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